# -*- Makefile -*-

EMPORTS := -s USE_ZLIB=1 -s USE_VORBIS=1 -s USE_FREETYPE=1 -s USE_SDL=2
EMFLAGS := $(EMPORTS)

#EMFLAGS += -O1 -s SAFE_HEAP=1
EMFLAGS += -O2

EMFLAGS += -s TOTAL_MEMORY=134217728
EMFLAGS += -s EMTERPRETIFY=1 -s EMTERPRETIFY_ASYNC=1

LFLAGS := $(EMFLAGS)
LFLAGS += -s EXPORTED_FUNCTIONS="['_main']"

docs/xsystem35.js: xsystem35.bc emterpretify_whitelist src/xsystem35
	$(CC) $< $(LFLAGS) $(shell grep '^ *-s' emterpretify_whitelist) -o $@

xsystem35.bc:
	ln -s src/xsystem35 $@

emterpretify_whitelist: xsystem35.bc
	$(CC) $(EMPORTS) -s EMTERPRETIFY=1 -s EMTERPRETIFY_ADVISE=1 xsystem35.bc > $@

src/xsystem35: src src/Makefile
	$(MAKE) -C src

src/Makefile:
	emconfigure ./configure --disable-shared --enable-gtk=no --enable-sdl --enable-music-server=no --enable-cdrom=emscripten --disable-oggtest --disable-vorbistest CFLAGS='-s USE_ZLIB=1 -s USE_VORBIS=1' FT2_CONFIG=tools/freetype-config

.PHONY: src